document.write( "Question 929418: What expression represents the standard deviation of the data set?\r
\n" ); document.write( "\n" ); document.write( "20, 16, 15, 40, 29\r
\n" ); document.write( "\n" ); document.write( "442 over 5, squared
\n" ); document.write( "282 over 4, squared
\n" ); document.write( "442 over 4, squared
\n" ); document.write( "282 over 5, squared\r
\n" ); document.write( "\n" ); document.write( "Could you explain in detail how to solve this? It doesn't make any sense to me. \n" ); document.write( "

Algebra.Com's Answer #564281 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi
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document.write( "	x	x -24	(x-24)^2	
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document.write( "	20	-4	16	
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document.write( "	16	-8	64	
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document.write( "	15	-9	81	
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document.write( "	40	16	256	
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document.write( "	29	5	25	
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document.write( "sum	120	0	442	
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document.write( "sum/5	24			variance
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document.write( ".........
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document.write( "Generally: variance: 442/(n-1) = 442/4  
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document.write( "sd = sqrt(variance)
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